diff --git a/services/surfaceflinger/BufferLayer.cpp b/services/surfaceflinger/BufferLayer.cpp
index 4e4d7dd..4eafeac 100644
--- a/services/surfaceflinger/BufferLayer.cpp
+++ b/services/surfaceflinger/BufferLayer.cpp
@@ -176,7 +176,7 @@
 
     if (!blackOutLayer) {
         // TODO: we could be more subtle with isFixedSize()
-        const bool useFiltering = needsFiltering(renderArea) || isFixedSize();
+        const bool useFiltering = needsFiltering() || renderArea.needsFiltering() || isFixedSize();
 
         // Query the texture matrix given our current filtering mode.
         float textureMatrix[16];
@@ -597,8 +597,11 @@
     return true;
 }
 
-bool BufferLayer::needsFiltering(const RenderArea& renderArea) const {
-    return mNeedsFiltering || renderArea.needsFiltering();
+bool BufferLayer::needsFiltering() const {
+    const auto displayFrame = getBE().compositionInfo.hwc.displayFrame;
+    const auto sourceCrop = getBE().compositionInfo.hwc.sourceCrop;
+    return mNeedsFiltering || sourceCrop.getHeight() != displayFrame.getHeight() ||
+            sourceCrop.getWidth() != displayFrame.getWidth();
 }
 
 void BufferLayer::drawWithOpenGL(const RenderArea& renderArea, bool useIdentityTransform) const {
@@ -623,7 +626,6 @@
      */
     const Rect bounds{computeBounds()}; // Rounds from FloatRect
 
-    ui::Transform t = getTransform();
     Rect win = bounds;
     const int bufferWidth = getBufferSize(s).getWidth();
     const int bufferHeight = getBufferSize(s).getHeight();
diff --git a/services/surfaceflinger/BufferLayer.h b/services/surfaceflinger/BufferLayer.h
index be16cf5..6eda20d 100644
--- a/services/surfaceflinger/BufferLayer.h
+++ b/services/surfaceflinger/BufferLayer.h
@@ -168,8 +168,8 @@
     const uint32_t mTextureName;
 
 private:
-    // needsLinearFiltering - true if this surface's state requires filtering
-    bool needsFiltering(const RenderArea& renderArea) const;
+    // Returns true if this layer requires filtering
+    bool needsFiltering() const;
 
     // drawing
     void drawWithOpenGL(const RenderArea& renderArea, bool useIdentityTransform) const;